Appeal 2007-1970
Application 10/167,744
Example 3 (Table 10): The inner cover is 50 ppm Iotek 7510 and 50
ppm Iotek 7520. The inner cover has a thickness of 0.045. The
outer cover is 45.3 ppm Iotek 7510, 45.3 ppm Iotek 7520, and 9.4
ppm TG MB. The outer cover has a thickness of 0.055. The
Shore D hardness of both inner and outer covers is 47.
6) Sullivan discloses that in a particularly preferred form of the
invention, at least one of the inner, intermediate, and outer cover
layers contains a filler. The filler is preferably used to adjust the
density, flex modulus, mold release, and/or melt flow index of
the cover layer (col. 10, ll. 39-44).
7) Sullivan states that “[t]he filler preferably is selected from
the group consisting of precipitated hydrated silica, clay, talc,
asbestos, glass fibers, aramid fibers, mica, calcium metasilicate,
barium sulfate, zinc sulfide, lithopone, silicates, silicon carbide,
diatomaceous earth, polyvinyl chloride, carbonates, metals, metal
alloys, tungsten carbide, metal oxides, metal stearates, particulate
carbonaceous materials, micro balloons, and combinations
thereof” (col. 11, ll. 58-65).
color, weight and other characteristics of the finished product” (Sullivan, US
6,368,236 and US 6,142,886).
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